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Discussion concerns health and safety measures as applied upon Contract 313, 15 mi of deep rock tunnel constructed under supervision of Board of Water Supply as part of 85-mi New York City Delaware River Aqueduct. (see also Explosives Engr v 20 n 8 Aug 1942 p 239-42)
Discussion concerns health and safety measures as applied upon Contract 313, 15 mi of deep rock tunnel constructed under supervision of Board of Water Supply as part of 85-mi New York City Delaware River Aqueduct. (see also Explosives Engr v 20 n 8 Aug 1942 p 239-42)
Safety in rock tunnel construction
Gen Contractors Assn -- Bul
Stiefel, F.W. (Autor:in)
1942
5 pages
Aufsatz (Zeitschrift)
Englisch
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